YerPalAl
Here are some thoughts. Its a good try, but it has some problems. The cut out is a bit rough, especially on the rear wheel. The two rear wheels are not parallel to one another and there is no shadowing. you could have positioned the vehicle better so as

YerPalAl
(continued) to not cut off the wheels and the large rear wheel would be rubbing against the people in the cab. Keep chopping and read whatever tutorials you can and you will improve. That is what this site is all about.

itsCHOWDAH
I agree with yerpal... allmost looks like its doing the speed buggy crawl. You know from the cartoon.